GB478453A - Combined gear change and clutch release for motor cars and other services - Google Patents

Combined gear change and clutch release for motor cars and other services

Info

Publication number
GB478453A
GB478453A GB3211136A GB3211136A GB478453A GB 478453 A GB478453 A GB 478453A GB 3211136 A GB3211136 A GB 3211136A GB 3211136 A GB3211136 A GB 3211136A GB 478453 A GB478453 A GB 478453A
Authority
GB
United Kingdom
Prior art keywords
pinion
shaft
arm
driven
clutch
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB3211136A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
THOMAS STEVENS NICOL
Original Assignee
THOMAS STEVENS NICOL
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by THOMAS STEVENS NICOL filed Critical THOMAS STEVENS NICOL
Priority to GB3211136A priority Critical patent/GB478453A/en
Publication of GB478453A publication Critical patent/GB478453A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/02—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used
    • F16H61/0293—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being purely mechanical
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H2708/00—Control devices for speed-changing geared mechanisms, e.g. specially adapted couplings for synchronising devices, devices to simplify control, control of auxiliary gearboxes
    • F16H2708/02—Control devices for speed-changing geared mechanisms, e.g. specially adapted couplings for synchronising devices, devices to simplify control, control of auxiliary gearboxes only the toothed wheels remain engaged
    • F16H2708/04—Control devices for speed-changing geared mechanisms, e.g. specially adapted couplings for synchronising devices, devices to simplify control, control of auxiliary gearboxes only the toothed wheels remain engaged the control being mechanical

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structure Of Transmissions (AREA)
  • Arrangement And Mounting Of Devices That Control Transmission Of Motive Force (AREA)
  • Mechanical Operated Clutches (AREA)

Abstract

478,453. Changespeed gearing. NICOL, T. S. Nov. 24, 1936, No. 32111. [Class 80 (ii)] Change - speed gearing suitable for vehicles comprises a toothed pinion 20 slidable on a driven shaft 19 by a mechanical relay set in motion by a manual lever 48, Fig. 1. For forward speeds, the pinion 20 is meshed alternatively with gears 17, 18 of equal size loose on a shaft 15 and driven at different speeds from a driving-shaft 11 which carries a gear 14 meshed directly by the pinion 20 for reversed drive. Between the pinion 20 and a transverse arm 22 which operates it, is a double-acting spring barrel 21, Fig. 2, with two springs 34, 36 and stops arranged so that the stroke of the arm 22 can be completed in both directions, and the pinion 20 follows into mesh when it can. The relay striking movement is effected by pivoting the arm 22 about the shaft 19 so as to bring two half-nuts 24 carried by the arm into engagement alternatively with screws 25, 26 constantly driven in opposite directions from the engine shaft 11. To effect a gear change, a quadrilateral slide 45 is slid axially by the hand lever 48. By oblique guides 44, a shuttle 37 is thus displaced transversely carrying with it the striker arm 22. A tongue 38 on the arm which slides in a longitudinal slot 39 in the shuttle 37 is thus disengaged from a cross slot 58 in a stationary block 57 while at the same time one of the half-nuts 24 is engaged with one of the power screws 25 or 26. The power shift of the barrel 21 then takes place and the pinion 20 slides into mesh when it can, while the tongue 38 drops back into another locking cross slot 58 with the manual lever 48 returned. to its original position by springs 47. During the speed change, a main clutch between the driven shaft 19 and a tail shaft (not shown) is momentarily opened. This clutch is shown schematically at 55. Displacement of the lever 48 rocks geared twin shafts 53 in opposite directions and these by rocking four cams 54 thrust the disc 55 right to open the clutch.
GB3211136A 1936-11-24 1936-11-24 Combined gear change and clutch release for motor cars and other services Expired GB478453A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3211136A GB478453A (en) 1936-11-24 1936-11-24 Combined gear change and clutch release for motor cars and other services

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3211136A GB478453A (en) 1936-11-24 1936-11-24 Combined gear change and clutch release for motor cars and other services

Publications (1)

Publication Number Publication Date
GB478453A true GB478453A (en) 1938-01-19

Family

ID=10333413

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3211136A Expired GB478453A (en) 1936-11-24 1936-11-24 Combined gear change and clutch release for motor cars and other services

Country Status (1)

Country Link
GB (1) GB478453A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2865252A (en) * 1956-07-12 1958-12-23 Eastman Kodak Co Wide field objective comprising four highly meniscus elements

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2865252A (en) * 1956-07-12 1958-12-23 Eastman Kodak Co Wide field objective comprising four highly meniscus elements

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